13
Fuse F2 (F8A) blows when the door is opened.
Home fuse blows when power cord is plugged into wall outlet.
Fuse F1 20A blows when power cord is plugged into wall outlet.
Nothing appears in display when power cord is plugged into wall outlet
and the door is opened and closed.
Display does not operate properly when STOP button is pressed.
Oven lamp does not light when door is opened. (Display operates.)
Oven does not start when the START button is pressed. (Display operates.)
Oven lamp does not light and turntable motor does not operate.
Fan motor does not operate. (Oven lamp lights.)
Convection fan motor does not operate. (Fan motor operates.)
Turntable motor does not operate. (Oven lamp lights.)
Oven or any electrical parts (except fan motor) does not stop when
cooking time is 0 or STOP button is pressed.
Oven stops after 4 minutes and 15 seconds since START button is
pressed. (Except Microwave mode and Dual cook mode)
Display operates properly but all electrical parts do not operate.
Oven goes into cook cycle but shuts down before end of cooking cycle.
After cooking, the temperature of oven cavity is higher than 120
˚C but
fan motor does not operate.
The oven stops 1 minute after starting.
Oven seems to be operating but little or no heat is produced in oven
load. (Microwave power control is set at 100%)
Oven does not seem to be operating properly during variable cooking
condition except 100% cooking condition.
Oven goes into cook cycle but shuts down before end of cooking cycle.
Convection cooking mode does not heat.
Oven seems to be operating but the temperature in the oven cavity is
lower or higher than preset one.
Grill heating element does not operate.
Oven goes into cook cycle but shuts down before end of cooking cycle.
Oven seems to be operating but little or no heat is produced in oven
load. (Microwave power does not seem to be generated properly)
Oven seems to be operating but the temperature in the oven cavity is
lower or higher than preset one.
Convection heating elements do not heat.
Grill heating element does not heat.
OFF
CONDITION
COOKING
CONDITION
(COMMON MODE)
MICROWAVE
COOKING
CONDITION
GRILL COOKING
CONDITION
CONVECTION
COOKING
CONDITION
DUAL COOKING
CONDITION
(COMMON MODE)
DUAL COOKING
CONDITION
(MICRO./CONV.)
DUAL COOKING
CONDITION
(MICRO./GRILL)
CONDITION
PROBLEM
BLOCKED COOLING FAN
BLOCKED CONVECTION FAN
NO POWER AT WALL OUTLET
HOME FUSE OR BREAKER
MIS-ADJUSTMENT OF SWITCHES
BLOCKED VENTILATION OPENINGS
OPENED WIRE HARNESS
SHORTED WIRE HARNESS
OVEN LAMP OR SOCKET
POWER SUPPLY CORD
FOIL PATTERN ON P.W.B.
RELAY RY8
RELAY RY7
RELAY RY6
RELAY RY5
RELAY RY4
RELAY RY3
RELAY RY2
RELAY RY1
KEY UNIT
TOUCH CONTROL PANEL
TC TRANSFORMER
CONVECTION HEATING ELEMENT
GRILL HEATING ELEMENT
FUSE F2 F8A
FUSE F1 20A
NOISE FILTER
DAMPER MOTOR DM
CONVECTION FAN MOTOR
FAN MOTOR FM
TURNTABLE MOTOR TM
THERMAL CUT-OUT 170˚C TC3
THERMAL CUT-OUT 170˚C TC2
THERMAL CUT-OUT 125˚C TC1
THERMISTOR
DAMPER SWITCH SW4
MONITOR SWITCH SW3
STOP SWITCH SW2
MONITORED LATCH SWITCH SW1
HIGH VOLTAGE CAPACITOR
H.V. HARNESS
H.V. RECTIFIER ASSEMBLY
HIGH VOLTAGE TRANSFORMER
MAGNETRON
A
B
C
D
EEE
E
F
G
G
G
H
H
H
H
TEST PROCEDURE
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
I
J
K
L
L
M
N
OOOOO
OOO
P
TROUBLESHOOTING GUIDE
